from numba import prange
import time

def f1():
    x=0
    for i in range(10000):
        x+=i
    return x

def f2():
    x=0
    for i in prange(10000):
        x+=i
    return x

start=time.time()
print(f1())
mid=time.time()
print(f2())
end=time.time()
print(mid-start,end-mid)
